JPS6021245U - Metal double bottle mouth structure - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の口部構造を備えた金属製魔法瓶を示す概
略断面図、第２図ないし第４図はそれぞれこの考案の口
部構造を備えた金属製魔法瓶の口部の例を示す概略断面
図である。 ６・・・魔法瓶、７・・・内筒、７ａ・・・口部、７ｂ
・・・開口端面、８・・・外筒、８ａ・・・口部、８ｂ
・・・開口端面、９・・・接合部、１０・・・突出部、
１０′・・・突出部、１０ａ・・・ろう材溜め部、１０
′ａ・・・ろう材溜め部。FIG. 1 is a schematic cross-sectional view showing a metal thermos flask with a conventional spout structure, and FIGS. 2 to 4 are schematic cross-sectional views showing examples of the spout of a metal thermos flask with the spout structure of this invention, respectively. FIG. 6... Thermos flask, 7... Inner cylinder, 7a... Mouth, 7b
...Opening end surface, 8...Outer cylinder, 8a...Mouth, 8b
...Opening end surface, 9...Joint part, 10...Protrusion part,
10'... Protrusion part, 10a... Brazing material reservoir part, 10
'a... Brazing material reservoir.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 金属製の内筒と金属製の外筒とからなり、これら内外筒
をその口部で接合一体化した金属製二重瓶において、内
筒または外筒のいずれか一方の口部を他方の口部の開口
端面よりも突出させて突出部を形成すると共に、この突
出部の端部を、突出されていない内、外筒のいずれか一
方の口部側に湾曲せしめたことを特徴とする金属製二重
瓶の口部構造。In a metal double bottle that consists of a metal inner cylinder and a metal outer cylinder, and these inner and outer cylinders are joined together at their mouths, the mouth of either the inner cylinder or the outer cylinder is connected to the mouth of the other. A metal characterized in that a protruding part is formed to protrude beyond the opening end face of the part, and the end of the protruding part is curved toward the mouth of either the inner or outer cylinder, which is not protruded. The mouth structure of a double bottle.